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Norberto Diaz Engineering Manager BIO As Engineering Manager at TSP Manufacturing, Norberto Diaz oversees the development and implementation of advanced engineering solutions for the production of high-performance fasteners. With extensive expertise in materials science and precision manufacturing, Norberto leads a team dedicated to delivering innovative, reliable, and industry-leading components. His commitment to excellence and collaboration drives the company’s success in tackling complex engineering challenges. BACK

MANUFACTURING PROCESSES Swiss Machining Swiss machining, also known as Swiss screw machining or Swiss turning, is a highly precise manufacturing process commonly used to produce small, intricate, and high-quality components, including engineered fasteners. The Swiss Machining Process: 1. Workpiece and Guide Bushing: The process begins with a cylindrical bar of raw material (e.g., stainless steel, titanium, aluminum, or nickel alloys) fed through a guide bushing. The guide bushing holds the workpiece securely close to the cutting tool, minimizing deflection and vibration. 2. Sliding Headstock: Unlike traditional lathes, a Swiss machine’s headstock moves longitudinally, allowing the material to slide through the guide bushing. 3. Multi-Axis Machining: Swiss machines often have multiple axes (up to 12 or more), enabling simultaneous machining operations. This capability allows turning, drilling, threading, and milling in a single setup. 4. Tool Engagement: Tools operate close to the guide bushing, which increases accuracy and reduces the risk of distortion, especially for slender or long parts. 5. Continuous Bar Feeding: Automatic bar feeders allow for high-volume production with minimal operator intervention. 6. Post-Machining Operations: Once machined, parts may undergo heat treatment, coating, or secondary processes like polishing or engraving. Key Features of Swiss Machining: High Precision: Tolerances can reach as tight as ±0.0001 inches, making it suitable for critical components. Complex Geometries: Capable of producing intricate parts with multiple features in a single operation. Small Diameter Parts: Ideal for manufacturing components with small diameters, often below 1.25 inches. Advantages of Swiss Machining: Exceptional Accuracy: Ensures consistent quality for components requiring extreme precision. Efficiency: Multiple operations in a single setup reduce production time. Material Versatility: Works with a wide range of metals, including hard-to-machine alloys. Repeatability: High-volume production with consistent tolerances. Minimized Material Waste: Optimized processes reduce scrap material. Applications in Engineered Fasteners: Swiss machining is particularly valuable for producing high-performance fasteners and components, such as: Micro Screws and Bolts: Used in aerospace, robotics, and medical devices. Precision Nuts and Inserts: Manufactured with intricate threading and tolerances. Specialized Threaded Components: Used in turbomachinery and space applications. Custom Fasteners: Designed for specific applications requiring unique shapes, grooves, or threads. Thin and Slender Components: Ensures stability and precision for long, thin fasteners. Limitations Cost: Swiss machines and setups are more expensive than traditional lathes. Size Restrictions: Limited to parts with smaller diameters and lengths. Setup Time: Complex setups for multi-axis operations may increase initial production time. Cold Heading Hot Heading EDM Milling Turning Swiss Machining Drilling Roll Threading Cut Threading Broaching Heat Treatment Austenitizing Tempering Normalizing Stress Relieving Grinding Polishing Dot Peen Marking Laser Marking MANUFACTURING Explore our manufacturing capabilities OUR PRODUCTS Explore our products Specialty Engineered Fasteners Learn more about our Engineered Fasteners, precision-crafted for specialized and critical applications in diverse industries. Machined Parts Learn more about our custom-designed Machined Components expertly crafted for applications across a range of industries. Precision Shear Products Explore our shear product manufacturing and quality capabilities, delivering precision solutions for the most demanding applications. DOING WHATEVER IT TAKES Need product help or engineering support? Contact our team of fastener experts today CONTACT

Jesus Martinez Quality Control Supervisor BIO As Quality Control Supervisor at TSP Manufacturing, Jesus Martinez is responsible for overseeing the inspection and testing processes that ensure every product meets the company’s rigorous quality standards. With a keen eye for detail and a solid background in quality control practices, Jesus leads a dedicated team to guarantee the reliability and precision of engineered fasteners used in critical industries. His commitment to maintaining high standards and his focus on continuous improvement contribute to TSP Manufacturing’s reputation for delivering top-quality components. BACK

SERVICING THE CUSTOMER Industries Precision Fasteners for Critical Industries TSP Manufacturing specializes in producing engineered fasteners and precision parts designed for critical applications across a wide range of industries. Serving sectors such as oil & gas, aerospace, defense, marine, and robotics, TSP Manufacturing ensures reliable performance in demanding environments, fostering longstanding partnerships with customers through high-quality solutions and excellent service. INDUSTRIES WE SERVE Oil & Gas Turbomachinery Marine and Offshore Nuclear Aerospace Robotics and Automation Defense Space OUR PRODUCTS Explore our products Specialty Engineered Fasteners Learn more about our Engineered Fasteners, precision-crafted for specialized and critical applications in diverse industries. Machined Parts Learn more about our custom-designed Machined Components expertly crafted for applications across a range of industries. Precision Shear Products Explore our shear product manufacturing and quality capabilities, delivering precision solutions for the most demanding applications. Valve Stems Learn more about our Engineered Valve Stems, designed for demanding applications requiring exceptional strength, durability, and precision. DOING WHATEVER IT TAKES Need product help or engineering support? Contact our team of fastener experts today CONTACT Get a quote for your upcoming project CONTACT

Survey CUSTOMER SURVEY We value your feedback TSP Manufacturing strives to maintain excellent service to our customers. In order to achieve this goal, we would greatly appreciate your response to the questions below. Company name* Survey completed by:* Email:* Please rate the following aspects of your experience: How would you rate the quality of our products? 1 2 3 4 5 N/A How would you rate our overall customer service? 1 2 3 4 5 N/A How would you rate our response time? 1 2 3 4 5 N/A How would you rate our delivery? 1 2 3 4 5 N/A How would you rate our technical support? 1 2 3 4 5 N/A How would you rate the quality of documentation? 1 2 3 4 5 N/A How easy is the purchasing process with our company? 1 2 3 4 5 N/A We value clear communication with our customers. How would you rate our communication, whether via phone, email, and/or in person? 1 2 3 4 5 N/A Feedback/comments: Thank you in advance for your time and cooperation. SUBMIT

Explore TSP Manufacturing's journey through our company timeline and meet the expert team driving innovation, quality, and precision in engineered fasteners. CELEBRATING OVER 87 YEARS About Us 1991 TSP’s sister company U.S. Bolt Manufacturing is launched 1994 TSP integrates Supply Chain agreement with Fortune 500 Original Equipment Manufacturer History of our timline 1938 Texas Screw Products (TSP) begins as a Full Line Distributor just north of Downtown Houston 1986 TSP is purchased and brought under the leadership of Walter Negley OUR TEAM John Warren President Christopher Smith General Manager Lester Burgess Chief Quality Officer Alex Dundas Operational Research Engineer Norberto Diaz Engineering Manager OUR TEAM Travis Arbing Purchasing Manager Bill Arnold Sales Manager Sandra Aguilar Sales Manager Mirla Fonseca Sales Manager Randy Boatright Accounting Manager Get a quote for your upcoming project CONTACT 1997 TSP becomes ISO 9002-1994 registered 1998 TSP’s laboratory becomes accredited to ISO 17025 OUR TEAM Esvin Gomez Quality Manager Jesus Martinez Quality Control Supervisor Veronica Garcia Quality Assurance Supervisor Jose Medina Warehouse Supervisor 2008 TSP moves to its new location on West 12th Street, Houston Texas 2018 TSP becomes TSP Mfg., a WN Global Company, strengthening its relationship with sister company U.S. Bolt and enhancing the value delivered to the customer OUR PRODUCTS Explore our products Specialty Engineered Fasteners Learn more about our Engineered Fasteners, precision-crafted for specialized and critical applications in diverse industries. Machined Parts Learn more about our custom-designed Machined Components expertly crafted for applications across a range of industries. Precision Shear Products Explore our shear product manufacturing and quality capabilities, delivering precision solutions for the most demanding applications. Valve Stems Learn more about our Engineered Valve Stems, designed for demanding applications requiring exceptional strength, durability, and precision. EXCELLENCE IN MANUFACTURING Quality, Materials, and Engineering Solutions Quality Learn more about how we deliver the highest Quality Engineered Fasteners & Components for custom-designed products Materials Learn more about our manufacturing material capabilities for our Engineered Fasteners & Components Services Learn more about our product support and supply chain solutions for our customers Engineered Fastener & Components

John Warren President BIO John Warren is the President of WN Global and TSP Mfg., where he leads the company’s strategic growth and operational excellence across advanced manufacturing solutions serving the global energy and industrial sectors. With more than 35 years of international leadership experience, he has built a reputation for transforming organizations, strengthening commercial performance, and aligning engineered products with the rigorous technical and compliance needs of customers who design, build, and operate critical equipment across the energy value chain. A seasoned global executive, John has worked across four continents—including the United States, West Africa, Scandinavia, and Australasia—where he has driven both operational efficiency and commercial expansion. His deep understanding of upstream oil and gas, industrial manufacturing, and power‑generation applications enables him to bridge technical capability with real‑world customer challenges in demanding environments. Before joining the WN Global family of companies, John served as Senior Business Development Manager for a major international oilfield services manufacturer. In this role, he strengthened the company’s market position and expanded commercial opportunities across Australia, New Zealand, and Papua New Guinea. His success in building partnerships with key operators in these regions reflected both his commercial acumen and his ability to position engineered solutions to meet evolving market and regulatory requirements. John began his career as a mechanical engineer, a foundation that continues to define his leadership approach. His progression through roles in engineering, sales, operations, technology, and business development has given him a rare combination of technical rigor and commercial insight—an asset in an industry where performance, reliability, and safety standards are non‑negotiable. He excels at aligning manufacturing capability with customer expectations around quality, traceability, compliance, and delivery performance. Throughout his career, John has been an active contributor to industry thought leadership. He is a member of both the Society of Petroleum Engineers (SPE) and the International Association of Drilling Contractors (IADC). He has co‑authored multiple SPE technical papers and holds several U.S. patents for innovations that have advanced performance and safety in energy‑sector applications. His contributions to engineering innovation earned him the prestigious Hart’s Award for Innovation. John holds a Bachelor of Science in Mechanical Engineering from Colorado State University and has completed executive programs at Texas A&M University. BACK

SERVICING THE CUSTOMER Our Services Technical Support & Supply Chain Solutions Our Technical/Support Services, and comprehensive Supply Chain Solutions, are tailored to meet the unique needs of Original Equipment Manufacturers (OEMs). Leveraging our expertise in advanced materials, engineering, and logistics, we deliver high-quality components and seamless supply chain integration. From technical consultation to inventory management, we ensure efficiency, reliability, and precision at every stage of production, enabling OEMs to achieve their operational goals. OUR SERVICES Explore our services Technical / Support Services Our Technical and Support Services encompass a wide range of solutions, including R&D, testing, onsite support, engineering reviews, material selection, and product traceability, ensuring streamlined procurement processes and enhanced operational efficiency for our customers. Supply Chain Solutions Our Supply Chain Solutions include comprehensive services such as fastener procurement, inventory management, material planning, on-site support, and cost-saving metrics, ensuring streamlined operations, reduced costs, and improved efficiency for our customers. Reduction of On-Hand Inventory Research and Development Testing Onsite Support Engineering Product Review Participation Material Selection Part Number Rationalization Product Traceability Via Document Imaging System Direct Support of Customer Field Offices Management of Fastener Procurement Processes Standardization of Descriptions Design for Manufacturability Prototype Support Quick-Turn Manufacturing Identification of Duplicates SUPPORT SERVICES Technical / Support Services Contact our technical/support team today CONTACT SUPPLY CHAIN SERVICES Supply Chain Solutions TSP Manufacturing’s Supply Chain Programs are customized to each client’s needs and are placed into operation as required to satisfy a specific level of process, product and possession savings that benefits the customer’s business application. SUPPLY CHAIN SERVICES Explore our supply chain services Fastener Procurement Services Material Requirements Planning Services Inventory Management Services Consigned Inventory Services On-site Personnel Services Total Cost Savings Measurement Services Inventory Management Intelligent Inventory Management Material Requirements Planning Services Inventory Management Services Consigned Inventory Services On-site Personnel Services Total Cost Savings Measurement Services Value Add Metrics Product Cost Savings Process Cost Savings Possession Cost Savings SUPPLY CHAIN SERVICES Intelligent Inventory Management Our Intelligent Inventory Management program seamlessly automates fastener supply chain, leveraging commercial RFID technology with a user-friendly web interface to exchange real-time data between the supplier & the customer on inventory status LEARN MORE Contact our supply chain engineers today CONTACT Get a quote for your upcoming project CONTACT TSP Manufacturing is a global leader in engineered fasteners, precision-machined components, and supply chain integration, delivering high-performance solutions that meet the critical demands of industries worldwide

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Explore TSP Manufacturing’s precision-engineered shear screws, designed for reliable control in critical applications. OUR PRODUCTS Precision Shear Products Home / Products / Shear Screws / Experts in Specialized Shear Products TSP Manufacturing holds over 25 years in manufacturing & testing of custom precision shear screws, pins and components. We maintain verifiable control of raw material, machining, and testing of shear products, providing the highest quality and traceability to our customers. WHEN ONLY THE BEST WILL DO Key Advantages of TSP Manufacturing's Precision Shear Products Extensive Experience: Over 25 years of expertise in manufacturing and testing custom precision shear screws and pin products. Raw Material Control: Verifiable control of raw material machining and testing ensures consistent quality. High Performance: Products are engineered to perform as intended in specific applications. Rigorous Quality Checks: Thorough testing in our certified lab guarantees adherence to precise specifications. Customer-Centric Compliance: Products are tailored to meet customers' unique and stringent requirements. OUR PRODUCTS Explore other products Specialty Engineered Fasteners Learn more about our Engineered Fasteners, precision-crafted for specialized and critical applications in diverse industries. Machined Parts Learn more about our custom-designed Machined Components expertly crafted for applications across a range of industries. Valve Stems Learn more about our Engineered Valve Stems, designed for demanding applications requiring exceptional strength, durability, and precision. Get a quote for your upcoming project CONTACT EXCELLENCE IN MANUFACTURING Quality, Materials, and Engineering Solutions Quality Learn more about how we deliver the highest Quality Engineered Fasteners & Components for custom-designed products Materials Learn more about our manufacturing material capabilities for our Engineered Fasteners & Components Services Learn more about our product support and supply chain solutions for our customers Engineered Fastener & Components Contact our product specialists today CONTACT

Discover TSP Manufacturing’s precision-engineered valve stems, built for durability, reliability, and high performance in critical industrial applications. OUR PRODUCTS Valve Stems Home / Products / Valve Stems / Engineered Valve Stems We specialize in producing high-performance engineered valve stems designed for demanding applications that require exceptional strength, durability, and precision. Our valve stems are manufactured to meet the most stringent requirements for a wide range of critical uses. WHEN ONLY THE BEST WILL DO Precision-Engineered for Performance Our valve stems are designed and manufactured using advanced engineering techniques and premium materials, including: Alloy Steels Nickel Alloys Titanium PH Grades Stainless Steel These materials are carefully selected to ensure superior mechanical properties, including high corrosion resistance, extreme temperature tolerance, and exceptional wear resistance under the harshest operating conditions. OUR PRODUCTS Manufacturing Excellence & Quality Assurance At TSP Manufacturing, quality is at the core of everything we do. Our valve stems undergo rigorous inspection and testing to ensure compliance with industry standards and customer specifications. We maintain tight tolerances and utilize cutting-edge machining technologies to deliver precision-engineered components that exceed expectations. Our in-house capabilities include: CNC Machining & Multi-Axis Precision Manufacturing Heat Treatment & Surface Coatings Non-Destructive Testing (NDT) & Material Certification Custom Engineering & Prototyping Services Contact our product specialists today CONTACT OUR PRODUCTS Explore other products Specialty Engineered Fasteners Learn more about our Engineered Fasteners, precision-crafted for specialized and critical applications in diverse industries. Machined Parts Learn more about our custom-designed Machined Components expertly crafted for applications across a range of industries. Precision Shear Products Explore our shear product manufacturing and quality capabilities, delivering precision solutions for the most demanding applications. EXCELLENCE IN MANUFACTURING Quality, Materials, and Engineering Solutions Quality Learn more about how we deliver the highest Quality Engineered Fasteners & Components for custom-designed products Materials Learn more about our manufacturing material capabilities for our Engineered Fasteners & Components Services Learn more about our product support and supply chain solutions for our customers Engineered Fastener & Components Get a quote for your upcoming project CONTACT

Learn how TSP Manufacturing upholds the highest quality standards with rigorous testing, certifications, and a commitment to precision in every fastener we produce. SERVICING THE CUSTOMER Our Quality Our Quality Assurance TSP Manufacturing provides Quality Control through our fully implemented ISO 9001:2015 Quality Management System and A2LA 17025 accredited testing laboratory. TESTING PROCEDURES Explore our testing capabilities Non-Destructive Examination (NDE) Liquid Penetrant Test (LPT) Ultrasonic Test (UT) Magnetic Particle Test (MT) Eddy Current Test Dimensional Inspection Digital Optical Comparator Adjustable Ring Gauge Plug Gauge Mechanical Testing Hardness Test Shear Test Slow Strain Tensile Test Creep Test Axial Tensile Test Wedge Tensile Test Proof Load Test Breaking Torque Test Charpy Test Metallographic & Chemistry Testing Positive Material Identification (PMI) Spectrographic Product Analysis X-Ray Cleanliness Test Macrostructure Microstructure Grain Size OUR QUALITY API 20E Certification API 20E-0005 VIEW The API 20E certification is a standard developed by the American Petroleum Institute (API) that specifies the requirements for the qualification, production, and documentation of alloy and carbon steel bolting materials used in the petroleum and natural gas industries. This certification ensures that bolting materials meet stringent quality and performance criteria, including material traceability, manufacturing processes, and testing protocols. It is particularly focused on bolting used in critical applications where safety, reliability, and compliance are essential. Companies achieving this certification demonstrate adherence to industry best practices for producing high-quality bolting components. API 20F Certification API 20F-0005 VIEW The API 20F certification is a standard issued by the American Petroleum Institute (API) that defines the requirements for the manufacturing, qualification, and documentation of corrosion-resistant bolting materials for use in the petroleum, petrochemical, and natural gas industries. It ensures that bolting materials, such as those made from stainless steel and nickel alloys, meet rigorous standards for performance, reliability, and resistance to corrosive environments. This certification covers aspects like material traceability, heat treatment, mechanical testing, and quality control processes. Achieving API 20F certification signifies compliance with industry best practices for producing bolting suitable for critical applications. Q1 9th Edition Registered Q1 - 2200 VIEW The API Q1 Registered certification is a quality management standard developed by the American Petroleum Institute (API) specifically for organizations that manufacture products or provide services for the petroleum and natural gas industries. It establishes stringent requirements for quality management systems, focusing on product reliability, risk management, and process efficiency. API Q1 certification emphasizes key elements such as management responsibility, operational controls, supplier management, and continuous improvement. Companies holding this certification demonstrate their commitment to meeting industry-specific quality standards, ensuring consistent product and service performance in critical energy sector applications. ISO 9001:2015 Registered ISO 9001 - 2298 VIEW The API QMS Registered certification signifies that an organization has implemented a robust Quality Management System (QMS) meeting API's specific requirements for the petroleum, natural gas, and petrochemical industries. This certification ensures compliance with recognized standards, such as API Spec Q1 or API Spec Q2, depending on the organization's operations. It emphasizes quality control, risk management, process efficiency, and continual improvement. Holding API QMS certification demonstrates a company's commitment to delivering reliable products and services while adhering to the highest industry standards for quality and operational excellence. ISO 17025:2017 Accredited 0929.01 VIEW The A2LA Accreditation certificate is issued by the American Association for Laboratory Accreditation (A2LA), a globally recognized organization that provides accreditation services to testing and calibration laboratories, inspection bodies, proficiency testing providers, and product certification bodies. This accreditation demonstrates that an organization meets international standards, such as ISO/IEC 17025 for laboratories or ISO/IEC 17020 for inspection bodies, ensuring technical competence, reliable results, and adherence to best practices. The A2LA accreditation is a mark of excellence that assures customers and stakeholders of the quality, integrity, and accuracy of an organization's testing or certification services. OUR LABORATORY TSP Manufacturing + WN Global Laboratory In collaboration with our parent company, TSP Manufacturing has exclusive access to in-house A2LA 17025 accredited laboratory capabilities through the WN Global Laboratory. Get a quote for your upcoming project CONTACT